Campagnolo Chorus EPS Rear Derailleur - 11 Speed Short Cage Black MFPN=212522 allowing a 1X set up

allowing a 1X set up on most any drivetrain

air-spring cylinders

the base provides better waxing and grindability to maximize speed

0mm rotor thickness Rotor Size (mm) 180 Rotor Type One Piece Weight 153 Hub/Disc Compatibility 6-Bolt

Campagnolo Chorus EPS Rear Derailleur - 11 Speed Short Cage Black MFPN=212522 allowing a 1X set upFeatures high torque high drive ratio motors for precise shifting under strain. Upper and lower body made of carbon powder technopolymer. Aluminum front plate and cage. IP67 rated waterproof. Compatible with Chorus EPS only. Multi Shifting System allows the rider to shift up or down by 11 sprockets in a single action Position Sensor moves the chain automatically into the ideal position for the selected sprocket Unlock System allows for the manual